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/******************************************************************************
* The MIT License
* Copyright (c) 2003 Novell Inc. www.novell.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*******************************************************************************/
//
// Novell.Directory.Ldap.Events.Edir.EdirEventSource.cs
//
// Author:
// Anil Bhatia (banil@novell.com)
//
// (C) 2003 Novell, Inc (http://www.novell.com)
//
using System;
namespace Novell.Directory.Ldap.Events.Edir
{
/// <summary>
/// This is the source class for Edir events.
/// </summary>
public class EdirEventSource : LdapEventSource
{
protected EdirEventHandler edir_event;
/// <summary>
/// Caller has to register with this event in order to be notified of
/// corresponding Edir events.
/// </summary>
public event EdirEventHandler EdirEvent
{
add
{
edir_event += value;
ListenerAdded();
}
remove
{
edir_event -= value;
ListenerRemoved();
}
}
/// <summary>
/// EdirEventHandler is the delegate definition for EdirEvent.
/// The client (listener) has to register using this delegate in order to
/// get corresponding Edir events.
/// </summary>
public delegate
void EdirEventHandler(object source,
EdirEventArgs objEdirEventArgs);
protected override int GetListeners()
{
int nListeners = 0;
if (null != edir_event)
nListeners = edir_event.GetInvocationList().Length;
return nListeners;
}
protected LdapConnection mConnection;
protected MonitorEventRequest mRequestOperation = null;
protected LdapResponseQueue mQueue = null;
public EdirEventSource(EdirEventSpecifier[] specifier, LdapConnection conn)
{
if ((null == specifier) || (null == conn))
throw new ArgumentException("Null argument specified");
mRequestOperation = new MonitorEventRequest(specifier);
mConnection = conn;
}
protected override void StartSearchAndPolling()
{
mQueue = mConnection.ExtendedOperation(mRequestOperation, null, null);
int[] ids = mQueue.MessageIDs;
if (ids.Length != 1)
{
throw new LdapException(
null,
LdapException.LOCAL_ERROR,
"Unable to Obtain Message Id"
);
}
StartEventPolling(mQueue, mConnection, ids[0]);
}
protected override void StopSearchAndPolling()
{
mConnection.Abandon(mQueue);
StopEventPolling();
}
protected override bool NotifyEventListeners(LdapMessage sourceMessage,
EventClassifiers aClassification,
int nType)
{
bool bListenersNotified = false;
if (null != edir_event)
{
if (null != sourceMessage)
{
if ((sourceMessage.Type == LdapMessage.INTERMEDIATE_RESPONSE) &&
(sourceMessage is EdirEventIntermediateResponse))
{
edir_event(this,
new EdirEventArgs(sourceMessage,
EventClassifiers.CLASSIFICATION_EDIR_EVENT));
bListenersNotified = true;
}
}
}
return bListenersNotified;
}
}
}
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